A tooth fossil, believed to be about 110,000 years old, has yielded DNA from a vanished branch of the human tree, mysterious cousins called the Denisovans. The tooth was found in a cave in Siberia in 2010. Scientists describe their newest Denisovan DNA analysis in Proceedings of the National Academy of Sciences.

As reported in the New York Times on November 16, 2015.

Journal Link: Proceedings of the National Academy of Sciences